Is it possible that these are Trivex lenses? On Jan 24, 11:45 pm, RS <[email protected]> wrote: > I purchased a pair of rimless glasses from Global Eyeglasses. The > lenses seem to be correct for my prescription when looking through the > center. When I am looking through a point on the lens not exactly at > the center, the image appears compressed. This effect is most > pronounced at the edges. > > I have previously ordered glasses with this prescription and PD > measurement from another online store which were fine. > > The only thing that is somewhat strange about these lenses is that the > front side is completely flat. Every other pair of glasses I have > owned had lenses that curved on both the front and back sides. > > What could cause this effect? Lenses slightly off in prescription or > cut to wrong PD measurement? Should I take them to an optician to > have the prescription measured? Could the lenses need to be mounted > at a different angle relative to each other (i.e., bridge bent > slightly)? > > Thanks!
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